added text to md PR template

Author: premiumderyn

.github/pull_request_template.md

@@ -6,4 +6,6 @@
 - [ ] I have performed a self-review of my code
 - [ ] If it is a core feature, I have added thorough tests
 - [ ] Do we need to implement analytics?
-- [ ] Will this be part of a product update? If yes, please write one phrase about this update
+- [ ] Will this be part of a product update? If yes, please write one phrase about this update
+
+## Checking PR notification